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Subject: Re: Avoid move position - testing repetitions

Author: Frank Phillips

Date: 09:59:40 01/10/03

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On January 10, 2003 at 12:06:55, Miguel A. Ballicora wrote:

>On January 09, 2003 at 13:30:37, Frank Phillips wrote:
>
>[snip]
>
>>Thanks Uri.  In which case has anyone got any good position for testing
>>repetition detection. [snip]
>
>This is from an a analysis line of Ljubojevic-Andersson 1976, one of the most
>exciting games of all time. Black just played Ne8xBc7 (in the game it Bb5? was
>played) and now the best for white is Bxh7+ Kxh7/ Qxg7+ Kxg7/ Rh3+ draws.
>A very nice perpetual not so simple to spot for a human. It was found by Pachman
>in the analysis of the game.
>
>[D]r4rk1/qpnb1ppp/p3p3/2N5/3n4/2RB2Q1/PPP3PP/5RK1 w - - bm Bxh7+;

Thanks.  This one I find.

9/25   -111    8.5   9200228	 1. Qxc7 Nb5 2. Bxb5 Bxb5 3. Rd1 b6 4. Nd7 Qxc7 5.
Rxc7 Rad8
 9/31   -111   26.0  27533054	 1. Qxc7
 9/31      0   28.7  30379093	 1. Bxh7+ Kxh7 2. Qxg7+ Kxg7 3. Rg3+ Kh6 4. Rh3+
Kg5 5. Ne4+ Kg4 6. Nf6+ Kg5 7. Ne4+


Frank



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